Question: When did Mexico City have Dolores Hidalgo Municipality as a twinned administrative body?
Paraphrase: When did Dolores Hidalgo Municipality become a twinned administrative body for Mexico City?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q1489 p:P190 ?s . ?s ps:P190 wd:Q958153 . ?s pq:P580 ?value}